/**
 * @fileoverview Console logger with colored output and formatting
 * @module utils/Logger
 */
/**
 * Log levels for filtering messages
 */
export declare enum LogLevel {
    DEBUG = 0,
    INFO = 1,
    WARN = 2,
    ERROR = 3,
    SILENT = 4
}
/**
 * Logger class for formatted console output
 *
 * @example
 * ```typescript
 * const logger = new Logger(LogLevel.INFO);
 * logger.info('Processing file...');
 * logger.success('Done!');
 * ```
 */
export declare class Logger {
    /** Current log level */
    private level;
    /** Whether to use colors in output */
    private useColors;
    /**
     * Create a new Logger instance
     * @param level - Minimum log level to display
     * @param useColors - Whether to use ANSI colors (default: true if TTY)
     */
    constructor(level?: LogLevel, useColors?: boolean);
    /**
     * Set the log level
     * @param level - New log level
     */
    setLevel(level: LogLevel): void;
    /**
     * Format a message with color
     * @param color - Color code to use
     * @param message - Message to format
     * @returns Formatted message
     */
    private colorize;
    /**
     * Get timestamp string
     * @returns Formatted timestamp
     */
    private getTimestamp;
    /**
     * Log a debug message
     * @param message - Message to log
     * @param args - Additional arguments
     */
    debug(message: string, ...args: unknown[]): void;
    /**
     * Log an info message
     * @param message - Message to log
     * @param args - Additional arguments
     */
    info(message: string, ...args: unknown[]): void;
    /**
     * Log a success message
     * @param message - Message to log
     * @param args - Additional arguments
     */
    success(message: string, ...args: unknown[]): void;
    /**
     * Log a warning message
     * @param message - Message to log
     * @param args - Additional arguments
     */
    warn(message: string, ...args: unknown[]): void;
    /**
     * Log an error message
     * @param message - Message to log
     * @param args - Additional arguments
     */
    error(message: string, ...args: unknown[]): void;
    /**
     * Log a processing message (for file operations)
     * @param action - Action being performed
     * @param target - Target of the action
     */
    processing(action: string, target: string): void;
    /**
     * Log a completion summary
     * @param successful - Number of successful operations
     * @param failed - Number of failed operations
     * @param duration - Total duration in milliseconds
     */
    summary(successful: number, failed: number, duration: number): void;
    /**
     * Log a blank line
     */
    blank(): void;
    /**
     * Log a header/title
     * @param title - Title text
     */
    header(title: string): void;
}
/**
 * Default logger instance
 */
export declare const logger: Logger;
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